CN210222065U - Burning testboard for circuit board of gas wall-mounted boiler - Google Patents
Burning testboard for circuit board of gas wall-mounted boiler Download PDFInfo
- Publication number
- CN210222065U CN210222065U CN201921031944.XU CN201921031944U CN210222065U CN 210222065 U CN210222065 U CN 210222065U CN 201921031944 U CN201921031944 U CN 201921031944U CN 210222065 U CN210222065 U CN 210222065U
- Authority
- CN
- China
- Prior art keywords
- board
- tested
- test
- main control
- interface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Tests Of Electronic Circuits (AREA)
Abstract
The utility model relates to a testboard is burnt to gas hanging stove circuit board, include: the test bed base is provided with a movable needle seat and a PCB seat which are respectively matched with the main control board to be tested and the display board to be tested, and a spring probe on the movable needle seat is in contact with the test points on the main control board to be tested and the display board to be tested through a hole on the PCB seat; the test bench base is provided with an MCU signal board which directly or controls peripheral equipment to output test signals required by the tested main control board and the tested display board and reads and records the working states of the tested main control board and the tested display board. The utility model combines the quality detection and the function verification into the test and realizes one-key intelligent burning, testing and result recording; the cost is low, and the circuit board can be flexibly upgraded according to the change of the tested circuit board.
Description
Technical Field
The utility model belongs to the technical field of the industrial equipment production test, concretely relates to testboard is burnt to gas hanging stove circuit board PCB can once only realize that the procedure of hanging stove circuit board is burnt and functional verification.
Background
At present, a circuit board of a gas wall-mounted boiler mainly comprises a main control board and a display board. In the process of producing the circuit board of the wall-mounted furnace in a factory, after the circuit board is subjected to component welding, the quality of the circuit board is detected, and meanwhile, program burning and function verification are also required to be carried out on the circuit board.
Wall hanging stove circuit board check out test set on the existing market is expensive, and receives the restriction of MCU variety on the wall hanging stove circuit board, generally can not collect the burning and detect in an organic whole. At present, most wall-mounted furnace circuit board manufacturers entrust the processing of circuits to professional PCB processing factories, the production of wall-mounted furnaces is greatly influenced by seasons, expensive detection equipment is placed in the PCB processing factories, and the maintenance cost is high. The interfaces of the circuit boards of the wall-mounted furnaces are basically different, the customization degree of the detection equipment is high, and once the detection equipment is shaped, the detection equipment is difficult to change.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a testboard is burnt to gas hanging stove circuit board burns, once accomplishes with the procedure burning of hanging stove circuit board and functional verification, in time discovers the problem of burning the process, improves production efficiency, and the cost is lower, nimble change. The utility model discloses the technical scheme who adopts as follows:
the utility model provides a testboard is burnt to gas hanging stove circuit board, includes: the test bed base is provided with a movable needle seat and a PCB seat which are respectively matched with the tested main control board and the tested display board, the PCB seat is used for fixedly placing the tested main control board and the tested display board, and a spring probe on the movable needle seat is contacted with the tested main control board and the tested display board through a hole on the PCB seat; the test bench base is provided with an MCU signal board which directly or controls peripheral equipment to output test signals required by the tested main control board and the tested display board and reads and records the working states of the tested main control board and the tested display board; the MCU signal board is electrically connected to the tested main control board and the tested display board in sequence, and a switching power supply on the MCU signal board converts 220V AC into 5V DC to supply power to the MCU, the peripheral circuit and the burner; the MCU signal board is electrically connected with the burner, and the burner is respectively electrically connected with the tested main control board and the tested display board; the MCU signal board comprises a start key for starting burning detection and an LCD screen for displaying.
Preferably, the MCU signal board includes a 220V AC power input interface, a PE line interface, a 220V AC power output interface, a three-way valve signal interface, a fan and water pump signal interface, a flame signal feedback interface, an electromagnetic valve signal interface, and a proportional valve control (mechanical temperature control, wind pressure switch) signal interface, a display power signal interface, a room temperature (water pressure, water flow) signal interface, a temperature and pressure signal interface, an LCD interface, a test start key interface, a burning signal interface, and a 5V DC interface; the burner is internally provided with a plurality of sets of burning programs, and the set of burning programs is selected through a display screen on the burner.
Preferably, burn the testboard and still include the area earth leakage protection air switch, fuse, double-circuit travel switch, the double-circuit power switch that takes the lamp that connect electrically in proper order, take earth leakage protection air switch insert 220V AC power and be connected to the MCU signal board, the double-circuit power switch that takes the lamp electricity be connected to by survey main control panel.
Preferably, the starting key can be embedded on the test board and is connected with the MCU signal board through a group of wires; the LCD screen can be embedded on the test board and is connected with the MCU signal board through a group of wires.
Preferably, the burner is an independent module, is embedded on the test bench base, is connected with the MCU signal board, the tested main control board and the tested display board through wires, and can be flexibly replaced.
Preferably, one side of the test bench base is provided with a clamp for fixing the tested circuit board. The clamp is designed as a double clamp, and two clamps which are matched with the positions of the tested main control board and the tested display board are respectively arranged on one side of the test bench base.
Preferably, the jig comprises: the device comprises a clamping hand fixing arm, a clamping hand, a travel rod and a pressing plate, wherein the clamping hand fixing arm is fixedly arranged on one side of a test bench base, the clamping hand and the clamping hand fixing arm are vertically parallel and fixedly arranged at the upper end part of the clamping hand fixing arm, the pressing plate is horizontally fixed at the lower end of the clamping hand, a plurality of plastic rods are fixed below the pressing plate according to the distribution of components on a tested circuit board, and two holes connected with the travel rod are formed in one side of the pressing plate close to the clamping hand fixing arm.
Preferably, the movable needle base is fixed on the test bench base through screws and is connected with various interfaces on the MCU signal board through a lead with a plug-in terminal; the movable needle base is provided with a fixed telescopic metal probe which is contacted with the test points of the main control board to be tested and the display board to be tested through the hole on the PCB base.
The utility model has the advantages that:
1) the utility model combines the quality detection and the function verification into the test and realizes one-key intelligent burning, testing and result recording;
2) the utility model discloses it is with low costs, can be according to the nimble upgrading of change of being surveyed the circuit board.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are illustrative of some embodiments of the invention, and that those skilled in the art will be able to derive other drawings without inventive step from these drawings, which are within the scope of the present application.
Fig. 1 is an electrical schematic diagram of an embodiment of the present invention;
fig. 2 is a side view of the burn test stand according to the embodiment of the present invention;
fig. 3 is a top view of the recording test board according to the embodiment of the present invention;
fig. 4 is the MCU signal board interface schematic diagram of the embodiment of the present invention.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, is an electrical schematic diagram of an embodiment of the present invention. A burning test board for a circuit board of a gas wall-mounted furnace comprises an air switch with leakage protection, a fuse, a two-way travel switch and a two-way power switch with a lamp, which are electrically connected in sequence, wherein the air switch with leakage protection is connected with a 220V AC power supply and is electrically connected to an MCU signal board, and the two-way power switch with the lamp is electrically connected to a tested main control board;
the MCU signal board is electrically connected to the tested main control board and the tested display board in sequence, and a switching power supply on the MCU signal board converts 220V AC into 5V DC to supply power to the MCU signal board, the peripheral circuit and the burner;
the MCU signal board is electrically connected with the burner, and the burner is respectively electrically connected with the tested main control board and the tested display board.
The MCU signal board can directly or control peripheral equipment to output test signals required by the tested circuit board, simulate various signals required by normal or abnormal work of the tested circuit board, read and record the working state of the tested circuit board, and achieve the purpose of testing the tested circuit board. MCU signal board contain 220V AC power input interface, PE line interface, 220V AC power output interface, three-way valve signal interface, fan and water pump signal interface, flame signal feedback interface, solenoid valve signal interface and proportional valve control (mechanical temperature control, wind pressure switch) signal interface, display power signal interface, room temperature (water pressure, rivers) signal interface, temperature and pressure signal interface, the LCD interface, the test starts the button interface, burn record signal interface, 5VDC interface, the connection of above-mentioned interface can be realized through conventional circuit connection, no longer detail here. The MCU signal board comprises a start key for starting burning detection, and the key can be embedded on the test board base and is connected with the MCU signal board through a group of wires. The MCU signal board contains the LCD screen that is used for showing, and this LCD screen also can inlay on the testboard base, links to each other with the MCU signal board through a set of wire. As shown in fig. 4, it is a schematic diagram of an MCU signal board interface according to an embodiment of the present invention.
The burner is used for burning a program of the tested circuit board, burning a main control board program to the tested main control board and burning a display panel program to the tested display board; and feeding back the burning result to the MCU signal board. The burner is connected with the tested main control board and the tested display board at the same time. The burn-in device is internally provided with a plurality of sets of burn-in programs, which set of program is selected to be burned through a display screen on the burn-in device, and the MCU signal board is used for controlling whether the program burn-in is carried out on the tested main control board or the tested display board. The burner is an independent module, is embedded on the base of the test bench, is connected with the signal board, the main control board to be tested and the display board through wires, and can be flexibly replaced.
When the tested circuit board is correctly placed on the station, the power supply is switched on, the test board enters an intelligent program burning and testing process only by pressing a 'start' key on the signal board, and a final result is displayed through a display screen on the MCU signal board. And if the burning result is normal, the operator lists the tested circuit board as a qualified product. If the burning result is abnormal, the operator can carry out troubleshooting in a targeted manner according to the test result on the MCU signal board.
As shown in fig. 2, it is a side view of the burn test board according to the embodiment of the present invention; as shown in fig. 3, it is a top view of the burning test table according to the embodiment of the present invention. A burning test board for a circuit board of a gas furnace comprises: the test Board comprises a test Board base, wherein an MCU signal Board, a movable needle seat and a PCB (Printed Circuit Board) seat are arranged on the test Board base, and the PCB seat is used for fixedly placing a Circuit Board; the movable needle seat and the PCB seat are customized according to the tested main control board and the tested display board, and the movable needle seat and the PCB seat are mature in the prior art. The movable needle seat is used for solving the problem that when a tested circuit board is changed, the test bench does not need to be integrally replaced, and only the needle seat part needs to be customized again. The PCB seat is a tray customized according to the appearance and welding points of the tested circuit board, and plays a role in supporting and fixing the circuit board. And meanwhile, the probe on the pin base is also connected with the test point of the tested circuit board through the hole on the PCB base.
The movable needle base is fixed on the base of the test bench through screws and is connected with the signal board through a lead with a plug terminal. The movable needle base is provided with a fixed telescopic metal probe which is contacted with a test point of the tested circuit board through a hole on the PCB base. Therefore, the test signal is input to the tested circuit board, or the signal of the tested circuit board is output to the MCU signal board.
One side of the test bench base is provided with a clamp used for pressing the tested circuit board so that the tested circuit board is contacted with the probe on the movable needle seat. Specifically, to accommodate the flexibility of testing the main control panel and the display panel, a dual fixture design is employed. Set up two anchor clamps that suit with main control board and display panel position respectively in one side of testboard base, anchor clamps include: the clamping device comprises a clamping hand fixing arm, a clamping hand, a pressing plate and a travel rod, wherein the clamping hand fixing arm is vertically and fixedly installed on one side of a test platform base through a screw, the clamping hand and the clamping hand fixing arm are vertically parallel and fixedly installed at the upper end part of the clamping hand fixing arm, the pressing plate is horizontally fixed at the lower end of the clamping hand, a plurality of plastic rods are fixed below the pressing plate according to the distribution of components on a tested circuit board, the tested circuit board is pressed, no component exists between the plastic rods and the tested circuit board, and two holes connected with the travel rod are formed in one side, close to the clamping hand fixing arm, of the pressing plate. The two stroke rods are vertically arranged on the base of the test bench, and the pressing plate is sleeved on the stroke rods, so that the pressing plate can only move up and down and cannot shake in the horizontal direction.
When the main control board is tested, the main control board to be tested is placed on the main control board station, a normal display board is placed on the display board station, and the pressing of the clamping hand of the display board station is kept. When the display panel is tested, the display panel to be tested is placed on the display panel station, a normal main control panel is placed on the main control panel station, and the clamping hand of the main control panel station is kept pressed down. The spring probe on the movable needle seat contacts with the test point on the circuit board to communicate the signal board with the tested circuit board. The movable needle seat can be detached, and once the tested circuit board is adjusted, only the movable needle seat and the PCB seat need to be replaced, and the test bench does not need to be reworked.
The air switch with the leakage protection function protects the leakage and the overcurrent, prevents operators from getting an electric shock, and prevents other electrical devices on the test board from being damaged due to the faults of the tested circuit board. The air switch with the leakage protection can also be used as a power switch to control the on-off of the power supply of the whole test board.
The fuse is used as secondary protection of the air switch with leakage protection, and when the tested circuit board is in overcurrent, if the air switch does not act, the fuse is fused, so that the fuse on the tested circuit board is prevented from being damaged.
The two-way travel switch is placed under the pressure plate and used for cutting off the power supply of the tested circuit board. When the clamping hand of the tested circuit board is pressed down, the linkage pressing plate is pressed down and presses the travel switch, the power supply is switched on, the tested circuit board is blocked by the pressing plate, and an operator can not contact the tested circuit board. When the clamping hand of the tested circuit board is lifted, the travel switch is disconnected, the power supply is cut off, and an operator can contact the tested circuit board. The on-off of live wire and zero line can be controlled simultaneously to double-circuit travel switch, prevents that some scene live wire and zero line from tying conversely and bringing the accident.
The double-circuit power switch with the lamp is used for manually cutting off and communicating the power supply of the circuit board to be tested, and simultaneously, the on-off of the power supply is indicated through the lamp of the switch. The two-way travel switch is arranged below the pressing plate, and when the pressing plate presses down and presses the circuit board to be tested, the two-way travel switch is also pressed down, so that the power supply is switched on.
Finally, it is to be noted that: the above embodiments are only specific embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, and the scope of the present invention is not limited thereto. Those skilled in the art will understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a testboard is burnt to gas hanging stove circuit board which characterized in that includes: the test bed base is provided with a movable needle seat and a PCB seat which are respectively matched with the tested main control board and the tested display board, the PCB seat is used for fixedly placing the tested main control board and the tested display board, and a spring probe on the movable needle seat is contacted with the tested main control board and the tested display board through a hole on the PCB seat;
the test bench base is provided with an MCU signal board which directly or controls peripheral equipment to output test signals required by the tested main control board and the tested display board and reads and records the working states of the tested main control board and the tested display board;
the MCU signal board is electrically connected to the tested main control board and the tested display board in sequence, and a switching power supply on the MCU signal board converts 220V AC into 5V DC to supply power to the MCU, the peripheral circuit and the burner; the MCU signal board is electrically connected with the burner, and the burner is respectively electrically connected with the tested main control board and the tested display board;
the MCU signal board comprises a start key for starting burning detection and an LCD screen for displaying.
2. The burn test stand of claim 1, wherein the MCU signal board comprises a 220V AC power input interface, a PE line interface, a 220V AC power output interface, a three-way valve signal interface, a fan and water pump signal interface, a flame signal feedback interface, a solenoid valve signal interface, a proportional valve control signal interface, a display power signal interface, a room temperature signal interface, a temperature and pressure signal interface, an LCD interface, a test start button interface, a burn signal interface, and a 5V DC interface;
the burner is internally provided with a plurality of sets of burning programs, and the set of burning programs is selected through a display screen on the burner.
3. The burn-recording test board according to claim 2, further comprising an air switch with leakage protection, a fuse, a two-way travel switch, and a two-way power switch with lamp, which are electrically connected in sequence, wherein the air switch with leakage protection is connected to a 220VAC power supply and is electrically connected to the MCU signal board, and the two-way power switch with lamp is electrically connected to the main control board to be tested.
4. The burn test stand of claim 3 wherein the start button is embedded in the test stand and connected to the MCU signal board via a set of wires; the LCD screen can be embedded on the test board and is connected with the MCU signal board through a group of wires.
5. The burn-in test stand of claim 4 wherein the burn-in device is a separate module embedded in the test stand base and connected to the MCU signal board, the tested main control board and the tested display board through wires.
6. The burn-in test stand of claim 5 wherein the test stand base is provided with a clamp on one side for securing the circuit board under test.
7. The burn-recording test stand according to claim 6, wherein the fixture is a dual-fixture design, and two fixtures corresponding to the positions of the main control board and the display board are respectively disposed on one side of the base of the test stand.
8. The burn test stand of claim 7, wherein the fixture comprises: the device comprises a clamping hand fixing arm, a clamping hand, a travel rod and a pressing plate, wherein the clamping hand fixing arm is fixedly arranged on one side of a test bench base, the clamping hand and the clamping hand fixing arm are vertically parallel and fixedly arranged at the upper end part of the clamping hand fixing arm, the pressing plate is horizontally fixed at the lower end of the clamping hand, a plurality of plastic rods are fixed below the pressing plate according to the distribution of components on a tested circuit board, and two holes connected with the travel rod are formed in one side of the pressing plate close to the clamping hand fixing arm.
9. The burning test bench according to claim 8, wherein the movable pin base is fixed on the test bench base through screws and connected with various interfaces on the MCU signal board through a lead with a plug terminal; the movable needle base is provided with a fixed telescopic metal probe which is contacted with the test points of the main control board to be tested and the display board to be tested through the hole on the PCB base.
10. The burn test stand of any one of claims 1-9 wherein the movable needle mount is removable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031944.XU CN210222065U (en) | 2019-07-03 | 2019-07-03 | Burning testboard for circuit board of gas wall-mounted boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921031944.XU CN210222065U (en) | 2019-07-03 | 2019-07-03 | Burning testboard for circuit board of gas wall-mounted boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210222065U true CN210222065U (en) | 2020-03-31 |
Family
ID=69935705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921031944.XU Expired - Fee Related CN210222065U (en) | 2019-07-03 | 2019-07-03 | Burning testboard for circuit board of gas wall-mounted boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210222065U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655375A (en) * | 2021-09-18 | 2021-11-16 | 深圳市浦洛电子科技有限公司 | Online test burning device |
| CN114062739A (en) * | 2021-10-29 | 2022-02-18 | 深圳市智链信息技术有限公司 | Automatic burn and record and detect frock |
-
2019
- 2019-07-03 CN CN201921031944.XU patent/CN210222065U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113655375A (en) * | 2021-09-18 | 2021-11-16 | 深圳市浦洛电子科技有限公司 | Online test burning device |
| CN113655375B (en) * | 2021-09-18 | 2024-05-14 | 深圳市浦洛电子科技有限公司 | Online test burning equipment |
| CN114062739A (en) * | 2021-10-29 | 2022-02-18 | 深圳市智链信息技术有限公司 | Automatic burn and record and detect frock |
| CN114062739B (en) * | 2021-10-29 | 2024-03-19 | 深圳市智链信息技术有限公司 | Automatic burn and detect frock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210222065U (en) | Burning testboard for circuit board of gas wall-mounted boiler | |
| CN206945902U (en) | A kind of high temperature reverse bias testing equipment with junction temperature test | |
| CN215833560U (en) | Calibration device for drawer switch | |
| CN211148844U (en) | Mainboard off-line testing device | |
| CN212111512U (en) | Mini/MicroLED short circuit test fixture | |
| CN212905361U (en) | Line overload test stand | |
| CN211100244U (en) | Circuit and device for screening contact components | |
| CN113012655A (en) | Manufacturing method of burning tool of display module | |
| CN218412805U (en) | Probe testing device | |
| CN219016961U (en) | Comprehensive jig for burning and testing | |
| CN206945848U (en) | A kind of intermittent life testing equipment with junction temperature test | |
| CN220137314U (en) | Control panel test fixture | |
| CN212514825U (en) | Testing device for electric flow stabilizing valve for nuclear power station | |
| CN217543316U (en) | Control circuit board detector | |
| CN104793122A (en) | Circuit board function testing device | |
| CN209590071U (en) | A kind of microcomputer screen test device of Fast Installation | |
| CN205581265U (en) | Testing arrangement of self -service financial equipment SIU module | |
| CN213023407U (en) | Full-automatic inspection machine for filter | |
| CN220400207U (en) | Display screen test keysets and testing arrangement | |
| CN219609136U (en) | Automatic measuring equipment for infrared sensor pins | |
| CN205091204U (en) | Weld needle detection device | |
| CN220820205U (en) | Detection system for preventing FPC resistance cold joint | |
| CN219179558U (en) | PCBA switches on test fixture | |
| CN220773126U (en) | Special test fixture of skin ampere meter module | |
| CN215894843U (en) | Test tool for power supply drive plate of down lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210703 |